> modern IDE disks can only do about 16-20 MB/s *sustained writes*. At the
> hub, I've seen a 43GB SCSI disk do 22MB/s, and tailing off after that. A
> 10,000rpm 9GB scsi disk was performing similarly I seem to recall. If
Remember that as density goes up so does speed when not seeking.. 9Gb disks
are much slower as they get less bits/rotation.
> you need to sustain 25 or more, you may be able to do this with a
> stripeing raid array of 2 or more disks, either scsi, or perhaps one of
> the IDE raid controllers. I don't know if the rawio stuff will work on a
> raid device tho.
The 3ware raid cards doing raid 0 striping give pretty much perfect scaling
at least to 4 disks. Much recommended toys
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